Update modeling_diva.py

modeling_diva.py

@@ -143,7 +143,7 @@ class DiVAModel(PreTrainedModel):
         return cls(
             via_path,
             config_dict,
-            kwargs["device_map"] if "device_map" in kwargs else None,
+            kwargs["device_map"] if "device_map" in kwargs else "auto",
             (
                 kwargs["speech_encoder_device"]
                 if "speech_encoder_device" in kwargs